ELIVED TV Wall Mount for Most 26-60 Inch TVs, Wall Mount Bracket Max VESA 400x400mm, Swivel and Tilt Full Motion TV Mount with Single Stud Perfect Center Design, Corner Mount Holds up to 77 lbs.

And you definitely need a swivel mount so you can watch under the porch or at the firepit. Maybe even two separate mounts. Here’s my mount I really like this one because it doesn’t really need to be locked it, the way it sits on the mount it can be easily removed.